Topic 1: Introduction to bacterial pathogens

What is bacterial pathogenesis?

• The way in which bacteria cause disease in a host.

• The way that bacteria grow in the lab.

• The way that bacteria can survive in the environment.

• None of these.

Which components mediate disease severity?

• the host

• the pathogen

• the environment

• All of these.

Which of the following are entry points for bacterial pathogens? (there is more than one answer)

• Respiratory tract

• Gastrointestinal tract

• skin and wounds

• food

Which of the following is an important virulence factor?

• Sugar

• Bacterial exotoxin

• DNA

• RNA polymerase

In diagnostic microbiology what does sensitivity mean?

• A test's ability to identify an individual with disease.

• A test's ability to identify an individual without disease.

• How fast a test identifies a pathogen.

• How accurate a test is.

What are the most common type of culture-independent test?

• Bacterial culture

• Microscopy

• Molecular tests

• MALDI-TOF

Which of the following is a molecular test for identifying bacterial pathogens?

• ELISA

• PCR

• MALDI-TOF

• API strip

Which of the following are bacterial pathogens? (there is more than one answer)

• Staphylococcus aureus

• Escherichia coli

• Mycobacterium tuberculosis

• Streptococcus pneumoniae